Estimate Uber driver net earnings after fuel, maintenance, and other expenses. Calculate hourly profit, per-mile earnings, and average earnings per trip.

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Gig Worker Tools

Mileage Deduction Calculator

Estimate your business mileage tax deduction using IRS standard mileage rates for 2024, 2025, and 2026.

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Gig Worker Tools

Fuel Cost Calculator

Estimate fuel consumption, total fuel cost, and cost per mile using distance, fuel economy in US MPG, and gas price per US gallon.

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Business Tools

Profit Margin Calculator

Calculate profit margin from revenue and costs.

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Business Tools

Markup Calculator

Calculate selling price, gross profit, and profit margin from product cost and markup percentage.

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Business Tools

ROI Calculator

Calculate return on investment, profit or loss, and ROI percentage from your initial investment and total return.

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Developer Tools

JSON Formatter & Validator

Format, validate, and inspect JSON locally in your browser.

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Developer Tools

CSV to JSON Converter

Convert CSV to formatted JSON online. Paste CSV, select a delimiter, preview JSON, and copy your results privately in your browser.

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Developer Tools

JWT Decoder

Decode JWT headers, payloads, and expiration timestamps privately in your browser. Inspect token claims without uploading your JWT.

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Money Tools

Compound Interest Calculator

Calculate compound interest with an initial investment, monthly contributions, annual rate, and compounding frequency. View yearly growth and interest earned.

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Productivity Tools

Working Days Calculator

Calculate inclusive working days between two dates with custom weekends and manually entered holidays.

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